# a rolling packet capture until the string in $LOG_STRING # is found in $LOG_FILE. Set the optional $DUMP_FILTER with # whatever libpcap filter as needed. # Interface to capture on: DUMP_INTERFACE="$1" # Number of capture files: DUMP_NUM="$2" # Size of capture files: DUMP_SIZE...
tcpdump : listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 1 packet captured 2 packets received by filter 0 packets dropped by kernel 1. 2. 3. 4. 5. 通常这些数据被缓存而不会被写入文件,直到你用CTRL+C结束tcpdump命令的时候。 读取文件 # tcpdump -r /path/to/fi...
tcpdump : listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 1 packet captured 2 packets received by filter 0 packets dropped by kernel 通常这些数据被缓存而不会被写入文件,直到你用CTRL+C结束tcpdump命令的时候。 读取文件 # tcpdump -r /path/to/file 一旦你将输出存成文件...
tcpdump : listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 1 packet captured 2 packets received by filter 0 packets dropped by kernel 通常这些数据被缓存而不会被写入文件,直到你用 CTRL+C 结束 tcpdump 命令的时候。 读取文件 # tcpdump -r /path/to/file 一旦你将输出存...
# tcpdump -w /path/to/file tcpdump 运行结果会输出在屏幕上。 # tcpdump tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 16:15:05.051896 IP blog.ssh > 10.0.3.1.32855: Flags [P.], ...
dropped privs to tcpdump tcpdump: listening on any, link-type LINUX_SLL (Linux cooked), capture size 262144 bytes 4 packets captured 8 packets received by filter 0 packets dropped by kernel # 使用-r选项读取.pcap文件 [root@localhost ~]# tcpdump -r dns.pcap ...
dropped privs to tcpdump tcpdump: listening on any, link-typeLINUX_SLL (Linux cooked), capture size 262144 bytes 4 packets captured 8 packets received by filter 0 packets dropped by kernel # 使用-r选项读取.pcap文件 [root@localhost ~]# tcpdump -r dns.pcap ...
tcpdump: listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes 09:35:13.709213 IP (tos 0x0, ttl 61, id 0, offset 0, flags [DF], proto ICMP (1), length 84) 10.179.225.13 > 10.180.86.46: ICMP echo request, id 21425, seq 6, length 64 ...
–r file This option will allow you to process a previously saved libpcap capture file. ▪ –s snaplen This option is the snaplen, the number of bytes of data from each packet that will be captured. The default is 68, so you will want to set this to something larger to get the wh...
tcpdump, a powerful command-line packet analyzer; and libpcap, a portable C/C++ library for network traffic capture. Tcpdump prints out a description of the contents of packets on a network interface that match the boolean expression; the description is preceded by a time stamp, printed, by...